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Table 2 Pathologic data of the 13 patients with level VI metastasis

From: Central neck lymph node metastasis in oral squamous cell carcinoma at the floor of mouth

Number pT PNIa LVIb Pathologic status of lymph node ENEc
I II III IV V VI
1 4 + + + + + + + + +
2 3 + + + + + +
3 3 + + + + + + +
4 4 + + + + +
5 4 + + + + + + + +
6 3 + + + + +
7 4 + + + + +
8 3 + + + + + + +
9 4 + + + + + +
10 4 + + + + + + +
11 3 + + + + +
12 4 + + + + + + +
13 4 + + + + + +
  1. a PNI perineural invasion, b LVI lymphovascular invasion, c ENE extranodal extension